Frequencies for first 10,000 rows of mracerec variable in natlterr2003 dataset : Mother's | Race Recode | U;R | Freq. Percent Cum. ------------+----------------------------------- 0 | 8 0.08 0.08 1 | 8,971 89.71 89.79 2 | 1,021 10.21 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015